<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
	</head>
	<body background="img/1.jpg">
		
		<ol><h1><a href="1.html">例5.2</a></h1></ol>
		<ol><h1><a href="2.html">例5.3</a></h1></ol>
		<ol><h1><a href="3.html">例5.4</a></h1></ol>
		<ol><h1><a href="4.html">例5.5</a></h1></ol>
		<ol><h1><a href="5.html">例5.6</a></h1></ol>
		<ol><h1><a href="6.html">例5.7</a></h1></ol>
		<ol><h1><a href="7.html">例5.8</a></h1></ol>
		<ol><h1><a href="8.html">例5.9</a></h1></ol>
		<ol><h1><a href="9.html">例5.10</a></h1></ol>
		
	</body>
</html>
